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6641430 
Journal Article 
Change of ink absorption characteristics of ink-jet printing paper with polymeric binder 
Kim, CY; Lee, MC; , 
2006 
1 
Polymer - Korea
ISSN: 0379-153X 
POLYMER SOC KOREA 
SEOUL 
30 
6 
550-555 
Korean 
WOS:000242782700015 
The coating material for the ink-jet printing paper tends to be waterbase as the waterbase ink-jet ink is used more widely. Waterbase coating material consists of alumina sol as a pigment, poly (vinyl alcohol) as a main binder and polymeric additive for improving properties. In this study, polymeric additive was synthesized by combining one or two monomers among methacrylic acid, acrylic acid and acrylamide to the basic monomers, styrene and n-butylacrylate. The properties of printability such as ink absorption, ink spreading, and optical density, glossiness and water resistance were investigated by changing the kinds of surfactants, the composition of monomers and the structure of polymer particles. Results showed that materials containing anionic surfactant and/or acrylic acid had problems in compatibility with alumina sol. Also, coating materials containing acrylamide had good printability and low glossiness while those containing methacrylic acid did not have good printability and high glossiness. 
Binder; Coating; Ink absorption; Ink-jet; Photopaper